IOS: Reverse SSH Console Access — Part 2

Accessing the line port using SSH only.

The advant­age to this option is that you need only allow TCP 22 (SSH) through your firewall.

From a *nix plat­form, you use the fol­low­ing com­mand line:

ssh gf:39@10.216.4.10

When using putty in inter­act­ive mode, at the user­name prompt just put username:number at the prompt.

Putty Profile

If you con­fig­ure putty pro­files (which I use to run putty from the com­mand line).

Connecting from the IOS prompt on your ter­minal server

Accessing a port on your ter­minal server using the IOS com­mand line, where 40 is the line num­ber of the serial port that you want con­nect to.

lontrm01#ssh –l gf:40 10.216.4.10

{Thanks to Emanuele who pos­ted a com­ment on the ori­ginal post}

HELP: How do you enter Break Characters to enter ROMMON ?

I have not been able to suc­cess­fully enter a break char­ac­ter /​ sequence to break into the boot sequence when using Reverse SSH. From my research, it seems that the break char­ac­ters when using SSH are dif­fer­ent from those using telnet.

I am sure that there is an answer — please leave a com­ment if you have any tips.

List of Standard Break Keys

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